Finding the Fourth Proportional to 11,033.11, 16,551.71 and 3,638.09

Step by Step Solution

1. Step 1: Write the proportion equation
   11,033.11 : 16,551.71 = 3,638.09 : x
2. Step 2: Convert to fraction form
   11,033.11/16,551.71 = 3,638.09/x
3. Step 3: Cross multiply
   11,033.11x = 16,551.71 × 3,638.09
4. Step 4: Simplify right side
   11,033.11x = 60,216,610.63
5. Step 5: Solve for x
   x = 60,216,610.63/11,033.11
6. Step 6: Final answer
   x = 5,457.81